Physical Sci - Test 3 - Atomic Structure

What is a subatomic particle with a positive charge that is in the nucleus of an atom?

• neutron

• proton

• electron

• valence electron

What is a subatomic particle without an electric charge, located in the nucleus of an atom?

• neutron

• proton

• electron

• valence electron

What is a subatomic particle with a negative charge? It is found in the electron cloud surrounding the nucleus.

• neutron

• proton

• electron

• electron cloud

What is the center of an atom containing protons and neutrons?

• nucleus

• neutron

• proton

• electron cloud

What is the term that describes the identity of an atom and is equal to the number of protons in the atom?

• mass number

• atomic mass

• atomic number

• atomic symbol

What is the combined mass of all the protons and neutrons of an atom and is equal to the number of protons and neutrons?

• atomic mass

• atomic number

• subatomic particles

• nucleus weight

What is material that has mass and takes up space?

• volume

• mass

• matter

• density

The value that represents the number of protons in an element

• Atomic Mass

• Mass Number

• Valence Electrons

• Atomic Number

Subatomic particles that are neutral in charge

• Neutrons
• Protons
• Nucleus 
• Electrons

The smallest particle of an element that shows all the properties of that element.

• Subatomic Particles

• Atom

• Molecule

• Electron